prosumo
Could not find prosumpserit in Logeion dictionaries.
prosumpserit Verb: perfect active subjunctive 3rd singular, Verb: future perfect active indicative 3rd singular of prosumo
pro-sūmo, prosumpserit, a false read. for praesumpserit, Plaut. Trin. 5, 2, 6 (1130); v. Ritschl ad h. l.
See: prosumere